:root {
  --ink: #152128;
  --muted: #65737b;
  --line: #dbe5e7;
  --paper: #ffffff;
  --brand: #1d5f73;
  --brand-dark: #10232b;
  --accent: #d0643f;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f6f8f8;
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 248, 248, 0.92);
  backdrop-filter: blur(16px);
}

.brand,
nav,
.hero-actions,
.module-strip {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
}

.brand span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--brand-dark);
  color: white;
}

nav {
  gap: 20px;
  color: #475961;
  font-size: 14px;
  font-weight: 800;
}

.button-link,
.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-radius: 7px;
  padding: 0 16px;
  font-weight: 900;
}

.button-link,
.primary-link {
  background: var(--brand);
  color: white;
}

.secondary-link {
  border: 1px solid var(--line);
  background: white;
  color: var(--brand-dark);
}

.hero {
  display: grid;
  align-items: end;
  min-height: 78vh;
  padding: clamp(28px, 6vw, 72px);
  background:
    linear-gradient(90deg, rgba(16, 35, 43, 0.84), rgba(16, 35, 43, 0.2)),
    url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1800&q=80");
  background-position: center;
  background-size: cover;
  color: white;
}

.hero-copy {
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(60px, 12vw, 132px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  color: #d8e5e8;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.band {
  padding: clamp(42px, 7vw, 86px) clamp(18px, 5vw, 56px);
}

.contrast {
  background: #10232b;
  color: white;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-grid article {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 20px;
}

.feature-grid span {
  color: var(--brand);
  font-weight: 900;
}

.feature-grid p,
.split p {
  color: var(--muted);
  line-height: 1.6;
}

.module-strip {
  gap: 12px;
  flex-wrap: wrap;
}

.module-strip span {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  padding: 12px 16px;
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

@media (max-width: 820px) {
  .site-header,
  nav,
  .split {
    align-items: flex-start;
    flex-direction: column;
  }

  nav,
  .feature-grid,
  .split {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 72vh;
  }
}